IoStatisticsQueryHelper (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.metric.IoStatisticsQueryHelper

public class IoStatisticsQueryHelper
extends Object

Helper for gathering IO statistics.

Constructor Summary

Constructors
Constructor Description

IoStatisticsQueryHelper()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static IoStatisticsHolder`	`finishGatheringQueryStatistics()`	Finish gathering IO statistics for query.
`static void`	`mergeQueryStatistics(IoStatisticsHolderQuery qryStat)`	Merge query statistics.
`static void`	`startGatheringQueryStatistics()`	Start gathering IO statistics for query.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - IoStatisticsQueryHelper
```
public IoStatisticsQueryHelper()
```
- Method Detail
  - startGatheringQueryStatistics
```
public static void startGatheringQueryStatistics()
```
    Start gathering IO statistics for query. Should be used together with finishGatheringQueryStatistics method.
  - mergeQueryStatistics
```
public static void mergeQueryStatistics(IoStatisticsHolderQuery qryStat)
```
    Merge query statistics.
    
    Parameters:
    
    qryStat - Statistics which will be merged to current query statistics.
  - finishGatheringQueryStatistics
```
public static IoStatisticsHolder finishGatheringQueryStatistics()
```
    Finish gathering IO statistics for query. Should be used together with startGatheringQueryStatistics method.
    
    Returns:
    
    Gathered statistics.